Comparison

Observation vs Alerty

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Observation

Features
Read full description

With Observation you can easily record nature observations in the field. Our online image recognition AI helps you identify the species on your images. You can choose to use the app offline anywhere in the world. Your observation data is stored on your phone first. Saved observations can be uploaded to Observation.org when online. This app is part of Observation.org; an EU-based platform for world wide biodiversity monitoring and citizen science. Observations that you save in your account are publicly visible for everyone who visits Observation.org. Take a look at the website to see what other observers have recorded and explore all data collected by our community. Observations are validated by species experts, after which the records are made available for scientific research.

About

Alerty

Features
Read full description

Alerty est une solution de notification d'urgence pour prévenir ses collaborateurs en cas d'incident ou de crise informatique. Une communication réactive et instantanée contribue à mieux gérer la crise et faciliter la reprise d'activité

Screenshots

Observation4 screens
Alerty4 screens

Verdict

The call

The clearest difference is update cadence: Observation at every 2 weeks against Alerty's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Observation ships an update every 2 weeks, Alerty every 2 months. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

Scorecard1 real difference · 5 level
Observation versus Alerty: the parameters behind the verdict, then further details
ParameterObservationAlerty
PriceFreeFree
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size80 MB16 MB
Age rating4+4+
DeveloperStichting Observation InternationalCyber partners

In-app purchases

None

Observation

No in-app purchases

None

Alerty

No in-app purchases

Questions

Is Observation free?
Observation is free to download, with no in-app purchases.
Is Alerty free?
Alerty is free to download, with no in-app purchases.
Do Observation or Alerty have ads?
Neither Observation nor Alerty shows ads.
Which is updated more often, Observation or Alerty?
Observation ships an update every 2 weeks, and Alerty every 2 months. Most recently, Observation was updated on October 10, 2026 and Alerty on October 15, 2026.

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